Provide an appropriate response.A pipe tapers 0.75 cm for every 30 cm of length. Use a constant of direct variation to determine the amount of taper of a 145 cm length.
A. 3.625 cm
B. 4.83 cm
C. 56.25 cm
D. 40 cm
Answer: A
Mathematics
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Provide an appropriate response.Solve 4D = 11.
A. 0.58 B. 2.40 C. 1.73 D. 1.39
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Provide an appropriate response. Write the square of the seventh root of x in rational exponent form.
A. 
2
B. x
C. x
D. x
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Graph the system of inequalities.3x - y ? -3x + 2y ? 2
A. 
B. 
C. 
D. 
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Provide an appropriate response.What proportion of the following sample of ten measurements lies within 2 standard deviations of the mean? 
A. 80% B. 70% C. 100% D. 90%
Mathematics